Best months for swimming (with highest average sea temperature) are June, July, August, September, October and November (29°C). Coldest months (with lowest average sea temperature) are January, February, March and April (27°C).

Average daylight in November / Average sunshine in November Cartagena, Colombia[Resources]

Average daylight in November: 12h

Months with longest days are May, June and July (Average daylight: 13). Months with shortest days are January, February, March, April, August, September, October, November and December (Average daylight: 12).

Average sunshine in November: 6.7h

Month with most sunshine is January (Average sunshine: 9). Month with least sunshine is October (Average sunshine: 5.6).